commit 24f2e359347f310b448d2918a1aee1465e0e5097
Author: root <root@lenovo-x3950-01.khw.lab.eng.bos.redhat.com>
Date:   Thu Jan 18 00:12:41 2018 -0500

    Add FIRST_INT_REG, LAST_INT_REG, LEGACY_INT_REG_P , and LEGACY_INT_REGNO_P
    Add dejagnu infrastructure

diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index b1cc3d8..b47d652 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -1101,6 +1101,9 @@ enum target_cpu_default
 /* Base register for access to local variables of the function.  */
 #define FRAME_POINTER_REGNUM 20
 
+#define FIRST_INT_REG AX_REG
+#define LAST_INT_REG  SP_REG
+
 /* First floating point reg */
 #define FIRST_FLOAT_REG 8
 
@@ -1329,6 +1332,9 @@ enum reg_class
 #define GENERAL_REGNO_P(N) \
   ((N) <= STACK_POINTER_REGNUM || REX_INT_REGNO_P (N))
 
+#define LEGACY_INT_REG_P(X) (REG_P (X) && LEGACY_INT_REGNO_P (REGNO (X)))
+#define LEGACY_INT_REGNO_P(N) (IN_RANGE ((N), FIRST_INT_REG, LAST_INT_REG))
+
 #define GENERAL_REG_P(X) \
   (REG_P (X) && GENERAL_REGNO_P (REGNO (X)))
 
diff --git a/gcc/testsuite/lib/gcc-defs.exp b/gcc/testsuite/lib/gcc-defs.exp
index 53926a6..fd91fd3 100644
--- a/gcc/testsuite/lib/gcc-defs.exp
+++ b/gcc/testsuite/lib/gcc-defs.exp
@@ -265,3 +265,26 @@ proc gcc-set-multilib-library-path { compiler } {
 
     return $libpath
 }
+
+# Like dg-options, but adds to the default options rather than replacing them.
+
+proc dg-additional-options { args } {
+    upvar dg-extra-tool-flags extra-tool-flags
+
+    if { [llength $args] > 3 } {
+        error "[lindex $args 0]: too many arguments"
+        return
+    }
+
+    if { [llength $args] >= 3 } {
+        switch [dg-process-target [lindex $args 2]] {
+            "S" { eval lappend extra-tool-flags [lindex $args 1] }
+            "N" { }
+            "F" { error "[lindex $args 0]: `xfail' not allowed here" }
+            "P" { error "[lindex $args 0]: `xfail' not allowed here" }
+        }
+    } else {
+        eval lappend extra-tool-flags [lindex $args 1]
+    }
+}
+